<template>
  <div>
    <!-- 搜索栏 -->
    <el-card id="search">
      <el-row>
        <el-col :span="20">
          <el-input v-model="searchModel.roleName" placeholder="角色名称" clearable></el-input>

          <el-button @click="getRoleList" type="primary" round icon="el-icon-ice-cream-round">查询</el-button>
        </el-col>
        <el-col :span="4" align="right">
          <el-button @click="openEditUI(null)" type="primary" icon="el-icon-plus" circle></el-button>
        </el-col>
      </el-row>
    </el-card>

    <!-- 结果列表 -->
    <el-card>
      <el-table :data="roleList" stripe style="width: 100%">
        <el-table-column label="#" width="80">
          <template slot-scope="scope">
            <!-- (pageNo-1) * pageSize + index + 1 -->
            {{
               (searchModel.pageNo - 1) * searchModel.pageSize + scope.$index + 1
             }}
          </template>
        </el-table-column>
        <el-table-column prop="roleId" label="角色ID" width="200">
        </el-table-column>
        <el-table-column prop="roleName" label="角色名称" width="260">
        </el-table-column>
        <el-table-column prop="roleDesc" label="角色描述"> </el-table-column>
        <el-table-column label="操作" width="180">
          <template slot-scope="scope">
            <el-button @click="openEditUI(scope.row.roleId)" type="primary" icon="el-icon-edit" size="mini"
              circle></el-button>
            <el-button @click="deleteRole(scope.row)" type="danger" icon="el-icon-delete" size="mini"
              circle></el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-card>
    <!-- 分页组件 -->
    <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
      :current-page="searchModel.pageNo" :page-sizes="[5, 10, 20, 50]" :page-size="searchModel.pageSize"
      layout="total, sizes, prev, pager, next, jumper" :total="total">
    </el-pagination>

    <!-- 角色信息编辑对话框 -->
    <el-dialog @close="clearForm" :title="title" :visible.sync="dialogFormVisible">
      <el-form :model="roleForm" ref="roleFormRef" :rules="rules">
        <el-form-item label="角色名称" prop="roleName" :label-width="formLabelWidth">
          <el-input v-model="roleForm.roleName" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="角色描述" prop="roleDesc" :label-width="formLabelWidth">
          <el-input v-model="roleForm.roleDesc" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="权限设置" prop="menuIdList" :label-width="formLabelWidth">
          <el-tree :data="menuList" :props="menuProps" show-checkbox default-expand-all node-key="menuId" ref="menuRef"
            style="width:85%"></el-tree>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRole">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import roleApi from "@/api/roleManage";
  import menuApi from "@/api/menuManage";
  export default {
    data() {

      return {
        menuList: [],
        menuProps: {
          children: "children",
          label: "title",
        },
        formLabelWidth: "130px",
        roleForm: {},
        dialogFormVisible: false,
        title: "",
        total: 0,
        searchModel: {
          pageNo: 1,
          pageSize: 10,
        },
        roleList: [],
        rules: {
          roleName: [{
              required: true,
              message: "请输入角色名称",
              trigger: "blur"
            },
            {
              min: 2,
              max: 20,
              message: "长度在 2 到 20 个字符",
              trigger: "blur",
            },
          ],
          roleDesc: [{
              required: true,
              message: "请输入角色描述",
              trigger: "blur"
            },
            {
              min: 2,
              max: 20,
              message: "长度在 2 到 20 个字符",
              trigger: "blur",
            },
          ],
        },
      };
    },
    methods: {
      getAllMenu(){
        menuApi.getAllMenu().then(response => {
          this.menuList = response.data;
        })
      },
      deleteRole(role) {
        this.$confirm(`您确认删除角色 ${role.roleName} ?`, '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          roleApi.deleteRoleById(role.roleId).then(response => {
            this.$message({
              type: 'success',
              message: response.message
            });
            this.getRoleList();
          });

        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          });
        });
      },
      saveRole() {
        // 触发表单验证
        this.$refs.roleFormRef.validate((valid) => {
          if (valid) {
            let checkedKeys = this.$refs.menuRef.getCheckedKeys();
            let halfCheckedKeys = this.$refs.menuRef.getHalfCheckedKeys();
            // console.log(checkedKeys);
            this.roleForm.menuIdList = checkedKeys.concat(halfCheckedKeys);
            // console.log(this.roleForm.menuIdList);
            // return;
            // 提交请求给后台
            roleApi.saveRole(this.roleForm).then(response => {
              // 成功提示
              this.$message({
                message: response.message,
                type: 'success'
              });
              // 关闭对话框
              this.dialogFormVisible = false;
              // 刷新表格
              this.getRoleList();
            });
          } else {
            console.log("error submit!!");
            return false;
          }
        });

      },
      clearForm() {
        this.roleForm = {};
        this.$refs.roleFormRef.clearValidate();
        this.$refs.menuRef.setCheckedKeys([]);
      },
      openEditUI(id) {
        if (id == null) {
          this.title = "新增角色";
        } else {
          this.title = "修改角色";
          // 根据id查询角色数据
          roleApi.getRoleById(id).then(response => {
            this.roleForm = response.data;
             this.$refs.menuRef.setCheckedKeys(response.data.menuIdList);
          });
        }
        this.dialogFormVisible = true;
      },
      handleSizeChange(pageSize) {
        this.searchModel.pageSize = pageSize;
        this.getRoleList();
      },
      handleCurrentChange(pageNo) {
        this.searchModel.pageNo = pageNo;
        this.getRoleList();
      },
      getRoleList() {
        roleApi.getRoleList(this.searchModel).then((response) => {
          this.roleList = response.data.rows;
          this.total = response.data.total;
        });
      },
    },
    created() {
      this.getRoleList();
      this.getAllMenu();
    },
  };
</script>

<style>
  #search .el-input {
    width: 200px;
    margin-right: 10px;
  }

  .el-dialog .el-input {
    width: 85%;
  }
</style>
